package com.heima.article.interceptor;

import com.heima.common.dto.User;
import com.heima.common.util.AppThreadLocalUtil;
import org.springframework.util.StringUtils;
import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

public class UserInterceptor implements HandlerInterceptor {

    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {

        String userId = request.getHeader("userId");

        String userName = request.getHeader("userName");

        if (!StringUtils.isEmpty(userId)&& !userId.equals("0")) {
            User user = new User();
            user.setUserId(Integer.valueOf(userId));
            if (!StringUtils.isEmpty(userName)) {

                user.setUserName(userName);
            }

            AppThreadLocalUtil.set(user);

        }


        return true;
    }

    @Override
    public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler, ModelAndView modelAndView) throws Exception {

        AppThreadLocalUtil.remove();


    }
}
